Github pages for Ember CLI website

* mobile friendly
* new design
* based on [jekyll](jekyllrb.com)

Fixes #33

Screenshots:

![ios simulator screen shot apr 5 2014 1 35 54
am](https://cloud.githubusercontent.com/assets/1131196/2622004/5e4000b8-bc84-11e3-99f7-002e463b6439.png)

![ios simulator screen shot apr 5 2014 1 36 22
am](https://cloud.githubusercontent.com/assets/1131196/2622006/5e494f2e-bc84-11e3-9369-657702e7a7eb.png)

![ios simulator screen shot apr 5 2014 1 38 05
am](https://cloud.githubusercontent.com/assets/1131196/2622008/7c116f78-bc84-11e3-9fb4-914c4bdb56c6.png)

![ember cli command line tool for the ambitions web applications
2014-04-05 01-43-16 2014-04-05
01-43-51](https://cloud.githubusercontent.com/assets/1131196/2622015/45414cc4-bc85-11e3-85c5-8cb3a7a3a135.jpg)

![ember cli command line tool for the ambitions web applications
2014-04-05 01-44-34 2014-04-05
01-44-36](https://cloud.githubusercontent.com/assets/1131196/2622018/60adc41a-bc85-11e3-9d1f-d88b88ba7479.jpg)